Finding the Fourth Proportional to 319,118.62, 440,388.84 and 175,876.60
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Solution
The fourth proportional to 319,118.62, 440,388.84 and 175,876.60 is: 242,712.54
Step by Step Solution
- Step 1: Write the proportion equation
319,118.62 : 440,388.84 = 175,876.60 : x - Step 2: Convert to fraction form
319,118.62/440,388.84 = 175,876.60/x - Step 3: Cross multiply
319,118.62x = 440,388.84 × 175,876.60 - Step 4: Simplify right side
319,118.62x = 77,454,091,857.14 - Step 5: Solve for x
x = 77,454,091,857.14/319,118.62 - Step 6: Final answer
x = 242,712.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.